adjustable fuel pressure regulator on stock 4AGE

[4000GT]

jondee86 Wrote:

fax0815 Wrote:Thanks any other advice?

Put it on You can try a pressure a few psi more than stock (38-44 psi
with atmospheric pressure in manifold = FP test plug jumped, engine not
running). Could make a little bit more power, and if not, you can always
wind it back down to the stock pressure.

Remember... more shiney things under the hood = more street cred :-P

Cheers... jondee86

Except you have no idea if it makes any more power or not when doing that change unless on a dyno, and the differences in power would be in the fractions of a HP either way unless its already so rich or so lean...